[ALSA] unregister platform device again if probe was unsuccessful

Unregister the platform device again if the probe was unsuccessful.

This restores the behaviour of not loading the driver on probe() failure.

Signed-off-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c
index ed9d0173e80f..7ae86f82c3fa 100644
--- a/sound/isa/wavefront/wavefront.c
+++ b/sound/isa/wavefront/wavefront.c
@@ -724,6 +724,10 @@ static int __init alsa_card_wavefront_init(void)
                                                          i, NULL, 0);
                 if (IS_ERR(device))
                         continue;
+                if (!platform_get_drvdata(device)) {
+                        platform_device_unregister(device);
+                        continue;
+                }
                 platform_devices[i] = device;
                 cards++;
         }